Calibration of tunable diode laser wavelength based on energy centrobaric correction method for discrete spectrum

Tao Sun; Yingjie Yu; Yanzhang Dong; Yinglei Ding; Sergiy Valyukh

doi:10.1117/12.2501160

24 July 2018 Calibration of tunable diode laser wavelength based on energy centrobaric correction method for discrete spectrum

Tao Sun, Yingjie Yu, Yanzhang Dong, Yinglei Ding, Sergiy Valyukh

Author Affiliations +

Proceedings Volume 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018); 108270K (2018) https://doi.org/10.1117/12.2501160
Event: Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 2018, Shanghai, China

Abstract

The resolution of wavelength scanning of diode laser can influence the performance of interferometer mostly. In this article, we propose a method to improve the precision of wavelength calibration by using the theory of energy centrobaric correction for discrete spectrum. An optical wedge whose angle of tilt was known has been set in the optical system to measure the series of wavelength on time using a 2D Fourier Transfer (FT) of the interferograms generated by both surfaces of optical wedge. An energy centrobaric correction method is also put forward to evaluate the distribution of frequency and phase of fringe pattern generated by front and rear surface of optical wedge. The results of simulation and experiment show that the error of wavelength calibration reach to 0.01pm by correlating the distribution of frequency and phase of interferograms. The benefit is that the precision of wavelength of diode laser is improved significantly with a higher signal-to-noise ratio. This method can used to any tunable diode laser wavelength to improve the precision of measurement due to its simplicity and practicability.

Citation Download Citation

Tao Sun, Yingjie Yu, Yanzhang Dong, Yinglei Ding, and Sergiy Valyukh "Calibration of tunable diode laser wavelength based on energy centrobaric correction method for discrete spectrum", Proc. SPIE 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 108270K (24 July 2018); https://doi.org/10.1117/12.2501160

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